/*
 * Copyright 2008 Wink Saville
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.saville.msgcomp;

/*
 * Each state of a state machine is a class which implements this interface.
 */
public interface IState {
    void enterState(Msg msg);

    boolean doState(Msg msg);

    void exitState(Msg msg);

    IState setHmc(IHmc hmc);

    IState setHmcAndParent(IHmc hmc, int parent);

    IState setParent(int parent);

    int getParent();
}
